this is inauguration day for president obama. the public ceremony is tomorrow. but according to the constitution, his second term officially begins toy. moments ago the vice president was officially sworn in, and at noon today the president will take his official oath of office during a small private ceremony in the blue room of the white house. so the stage is set as well at the u.s. capitol for the inaugural address and public swearing in tomorrow. the president kicked off the weekend festivities yesterday with a day of service, and the first lady hosted a special concert for children of military families last night. >> this is what inauguration is all about. it's about celebrating who we are as americans and all the things that makes this country so great. and when i think about who we are, when i